<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>
<form action="/login" method="post">
    <div>thymeleaf</div>
    <input name="username" placeholder="user name" type="text"><br>
    <input name="password" placeholder="password" type="password"><br>
    <input type="submit" value="登录">
</form>
</body>
</html>